diff mbox series

[V4,1/2] cpufreq: Export cpufreq_update_pressure

Message ID 20240328074131.2839871-2-quic_sibis@quicinc.com
State New
Headers show
Series firmware: arm_scmi: Register and handle limits change notification | expand

Commit Message

Sibi Sankar March 28, 2024, 7:41 a.m. UTC 
The SCMI cpufreq driver doesn't require any additional signal
smoothing provided by arch_update_hw_pressure interface, export
cpufreq_update_pressure so that it can be called upon directly
instead.

Suggested-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com>
---

v4:
* Use EXPORT_SYMBOL_GPL instead. [Trilok]

 drivers/cpufreq/cpufreq.c | 3 ++-
 include/linux/cpufreq.h   | 2 ++
 2 files changed, 4 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 1de8bd105934..656320554bb7 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -2590,7 +2590,7 @@  DEFINE_PER_CPU(unsigned long, cpufreq_pressure);
  *
  * Update the value of cpufreq pressure for all @cpus in the policy.
  */
-static void cpufreq_update_pressure(struct cpufreq_policy *policy)
+void cpufreq_update_pressure(struct cpufreq_policy *policy)
 {
 	unsigned long max_capacity, capped_freq, pressure;
 	u32 max_freq;
@@ -2615,6 +2615,7 @@  static void cpufreq_update_pressure(struct cpufreq_policy *policy)
 	for_each_cpu(cpu, policy->related_cpus)
 		WRITE_ONCE(per_cpu(cpufreq_pressure, cpu), pressure);
 }
+EXPORT_SYMBOL_GPL(cpufreq_update_pressure);
 
 /**
  * cpufreq_set_policy - Modify cpufreq policy parameters.
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 20f7e98ee8af..7410a1bade23 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -241,6 +241,7 @@  struct kobject *get_governor_parent_kobj(struct cpufreq_policy *policy);
 void cpufreq_enable_fast_switch(struct cpufreq_policy *policy);
 void cpufreq_disable_fast_switch(struct cpufreq_policy *policy);
 bool has_target_index(void);
+void cpufreq_update_pressure(struct cpufreq_policy *policy);
 
 DECLARE_PER_CPU(unsigned long, cpufreq_pressure);
 static inline unsigned long cpufreq_get_pressure(int cpu)
@@ -270,6 +271,7 @@  static inline bool cpufreq_supports_freq_invariance(void)
 }
 static inline void disable_cpufreq(void) { }
 static inline void cpufreq_update_limits(unsigned int cpu) { }
+static inline void cpufreq_update_pressure(struct cpufreq_policy *policy) { }
 static inline unsigned long cpufreq_get_pressure(int cpu)
 {
 	return 0;